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diff --git a/help/en_US/scilab_en_US_help/qp_kaiser.html b/help/en_US/scilab_en_US_help/qp_kaiser.html new file mode 100644 index 0000000..8808b92 --- /dev/null +++ b/help/en_US/scilab_en_US_help/qp_kaiser.html @@ -0,0 +1,83 @@ +<html><head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title>qp_kaiser</title> + <style type="text/css" media="all"> + @import url("scilab_code.css"); + @import url("xml_code.css"); + @import url("c_code.css"); + @import url("style.css"); + </style> + </head> + <body> + <div class="manualnavbar"> + <table width="100%"><tr> + <td width="30%"> + <span class="previous"><a href="pyulear.html"><< pyulear</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="rc2ac.html">rc2ac >></a></span> + + </td> + </tr></table> + <hr /> + </div> + + + + <span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a> > qp_kaiser</span> + + <br /><br /> + <div class="refnamediv"><h1 class="refname">qp_kaiser</h1> + <p class="refpurpose">Computes a finite impulse response (FIR) filter for use with a quasi-perfect reconstruction polyphase-network filter bank.</p></div> + + +<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> + <div class="synopsis"><pre><span class="functionid">qp_kaiser</span><span class="default"> (</span><span class="default">nb</span><span class="default">, </span><span class="default">at</span><span class="default">, </span><span class="default">linear</span><span class="default">)</span> +<span class="functionid">qp_kaiser</span><span class="default"> (</span><span class="default">nb</span><span class="default">, </span><span class="default">at</span><span class="default">)</span></pre></div></div> + +<div class="refsection"><h3 class="title">Parameters</h3> + <dl><dt><span class="term">nb:</span> + <dd><p class="para">Number of bands</p></dd></dt> + <dt><span class="term">at:</span> + <dd><p class="para">Attenuation</p></dd></dt> + <dt><span class="term">linear:</span> + <dd><p class="para">When not zero, minimum-phase calculation is omitted.</p></dd></dt></dl></div> + +<div class="refsection"><h3 class="title">Description</h3> + <p class="para">This is an Octave function. +This version utilizes a Kaiser window to shape the frequency response of the designed filter. Tha number nb of bands and the desired attenuation at in the stop-band are given as parameters.</p> + <p class="para">The Kaiser window is multiplied by the ideal impulse response h(n)=a.sinc(a.n) and converted to its minimum-phase version by means of a Hilbert transform.</p></div> + +<div class="refsection"><h3 class="title">Examples</h3> + <div class="programlisting"><table border="0" width="100%"><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">qp_kaiser</span> <span class="scilabopenclose">(</span><span class="scilabnumber">5</span><span class="scilabdefault">,</span> <span class="scilabnumber">5</span><span class="scilabdefault">,</span> <span class="scilabnumber">1</span><span class="scilabopenclose">)</span> +<span class="scilabid">ans</span> <span class="scilaboperator">=</span> + +<span class="scilabnumber">0.11591</span> <span class="scilabnumber">0.25606</span> <span class="scilabnumber">0.25606</span> <span class="scilabnumber">0.25606</span> <span class="scilabnumber">0.11591</span></pre></td><td valign="top"><a href="scilab://scilab.execexample/"><img src="ScilabExecute.png" border="0"/></a></td><td valign="top"><a href="scilab://scilab.editexample/"><img src="ScilabEdit.png" border="0"/></a></td><td></td></tr></table></div></div> + <br /> + + <div class="manualnavbar"> + <table width="100%"> + <tr><td colspan="3" class="next"><a href="http://bugzilla.scilab.org/enter_bug.cgi?product=Scilab%20software&component=Documentation%20pages" class="ulink">Report an issue</a></td></tr> +<tr> + <td width="30%"> + <span class="previous"><a href="pyulear.html"><< pyulear</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="rc2ac.html">rc2ac >></a></span> + + </td> + </tr></table> + <hr /> + </div> + </body> +</html> |